Salmon shark (Lamna ditropis) fish species and information / pictures of Salmon shark - Lamna ditropis

Salmon shark (Lamna ditropis) fish species information

Scientific Name
Lamna ditropis

Common Name
Salmon shark

Biology
A coastal-littoral and epipelagic shark that prefers boreal to cool temperate waters, from the surface to at least 152 m (Ref. 247). Common in continental offshore waters but range inshore to just off beaches (Ref. 247). Occurs singly or in schools or feeding aggregations of several individuals (Ref. 247). Feeds on fishes (Ref. 247). Ovoviviparous, embryos feeding on yolk sac and other ova produced by the mother (Ref. 50449). With up to 4 young in a litter (Ref. 247). Fast swimmer (Ref. 9988). Potentially dangerous but has never or seldom been implicated in human attacks (Ref. 247). Causes considerable damage to commercial catches and gear (Ref. 6885). Utilized fresh, dried or salted, and frozen; fins, hides and livers are also used, with fins having particular value; can be broiled and baked (Ref. 9988).

Classification

Classified By
Hubbs & Follett, 1947
Class
Sharks and Rays (Elasmobranchii)
Order
Mackerel sharks (Lamniformes)
Family
Mackerel sharks or white shark (Lamnidae)

Distribution

Region
North Pacific
Distribution
North Pacific: Japan, Korea, and the Sea of Okhotsk to the Bering Sea and southward to southern California, USA (Ref. 247) and Baja California, Mexico (Ref. 9253).
Range
66°N - 22°N, 120°E - 115°W

Environment

Climate
Temperate
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
0 m
Depth To - meters
650 m
Zone
pelagic-oceanic
Environment
Marine; pelagic-oceanic; oceanodromous (Ref. 51243); depth range 0 - 650 m (Ref. 50550), usually 0 - 152 m (Ref. 55221)
Trophic Level
4.5 s.e. 0.80 Based on food items.
Occurs in Marine / Salt water
True
Occurs in Brackish water
False
Occurs in Fresh Water
False
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
305 cm
Common Length
180 cm
Phylogenetic Diversity Index
PD50 = 0.7813 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries: minor commercial; gamefish: yes
Vulnerability
High to very high vulnerability (68 of 100)
Resilience
Very Low, minimum population doubling time more than 14 years (Fec=4)
Threat To Humans
  Traumatogenic
IUCN Red List Status
  Least Concern (LC)